Struct polkadot_sdk_frame::arithmetic::FixedI64
pub struct FixedI64(/* private fields */);
Expand description
A fixed point number representation in the range. Fixed Point 64 bits signed, range = [-9223372036.854775808, 9223372036.854775807]
Implementations§
§impl FixedI64
impl FixedI64
pub const fn from_inner(inner: i64) -> FixedI64
pub const fn from_inner(inner: i64) -> FixedI64
Create a new instance from the given inner
value.
const
version of FixedPointNumber::from_inner
.
pub const fn into_inner(self) -> i64
pub const fn into_inner(self) -> i64
Return the instance’s inner value.
const
version of FixedPointNumber::into_inner
.
pub const fn from_u32(n: u32) -> FixedI64
pub const fn from_u32(n: u32) -> FixedI64
Creates self from a u32
.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub fn from_float(x: f64) -> FixedI64
pub fn from_float(x: f64) -> FixedI64
Convert from a float
value.
pub const fn from_perbill(n: Perbill) -> FixedI64
pub const fn from_perbill(n: Perbill) -> FixedI64
Convert from a Perbill
value.
pub const fn into_perbill(self) -> Perbill
pub const fn into_perbill(self) -> Perbill
Convert into a Perbill
value. Will saturate if above one or below zero.
pub fn try_into_perthing<P>(self) -> Result<P, P>where
P: PerThing,
pub fn try_into_perthing<P>(self) -> Result<P, P>where
P: PerThing,
Attempt to convert into a PerThing
. This will succeed iff self
is at least zero
and at most one. If it is out of bounds, it will result in an error returning the
clamped value.
pub fn into_clamped_perthing<P>(self) -> Pwhere
P: PerThing,
pub fn into_clamped_perthing<P>(self) -> Pwhere
P: PerThing,
Attempt to convert into a PerThing
. This will always succeed resulting in a
clamped value if self
is less than zero or greater than one.
pub const fn neg(self) -> FixedI64
pub const fn neg(self) -> FixedI64
Negate the value.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn sqrt(self) -> FixedI64
pub const fn sqrt(self) -> FixedI64
Take the square root of a positive value.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn try_sqrt(self) -> Option<FixedI64>
pub const fn try_sqrt(self) -> Option<FixedI64>
Compute the square root, rounding as desired. If it overflows or is negative, then
None
is returned.
pub const fn add(self, rhs: FixedI64) -> FixedI64
pub const fn add(self, rhs: FixedI64) -> FixedI64
Add a value and return the result.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn sub(self, rhs: FixedI64) -> FixedI64
pub const fn sub(self, rhs: FixedI64) -> FixedI64
Subtract a value and return the result.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn mul(self, rhs: FixedI64) -> FixedI64
pub const fn mul(self, rhs: FixedI64) -> FixedI64
Multiply by a value and return the result.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn div(self, rhs: FixedI64) -> FixedI64
pub const fn div(self, rhs: FixedI64) -> FixedI64
Divide by a value and return the result.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn from_rational(a: u128, b: u128) -> FixedI64
pub const fn from_rational(a: u128, b: u128) -> FixedI64
Calculate an approximation of a rational.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn from_rational_with_rounding(
a: u128,
b: u128,
rounding: Rounding,
) -> FixedI64
pub const fn from_rational_with_rounding( a: u128, b: u128, rounding: Rounding, ) -> FixedI64
Calculate an approximation of a rational with custom rounding.
WARNING: This is a const
function designed for convenient use at build time and
will panic on overflow. Ensure that any inputs are sensible.
pub const fn const_checked_mul(self, other: FixedI64) -> Option<FixedI64>
pub const fn const_checked_mul(self, other: FixedI64) -> Option<FixedI64>
Multiply by another value, returning None
in the case of an error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
pub const fn const_checked_mul_with_rounding(
self,
other: FixedI64,
rounding: SignedRounding,
) -> Option<FixedI64>
pub const fn const_checked_mul_with_rounding( self, other: FixedI64, rounding: SignedRounding, ) -> Option<FixedI64>
Multiply by another value with custom rounding, returning None
in the case of an
error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
pub const fn const_checked_div(self, other: FixedI64) -> Option<FixedI64>
pub const fn const_checked_div(self, other: FixedI64) -> Option<FixedI64>
Divide by another value, returning None
in the case of an error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
pub const fn checked_rounding_div(
self,
other: FixedI64,
rounding: SignedRounding,
) -> Option<FixedI64>
pub const fn checked_rounding_div( self, other: FixedI64, rounding: SignedRounding, ) -> Option<FixedI64>
Divide by another value with custom rounding, returning None
in the case of an
error.
Result will be rounded to the nearest representable value, rounding down if it is equidistant between two neighbours.
Trait Implementations§
§impl CheckedAdd for FixedI64
impl CheckedAdd for FixedI64
§fn checked_add(&self, rhs: &FixedI64) -> Option<FixedI64>
fn checked_add(&self, rhs: &FixedI64) -> Option<FixedI64>
None
is
returned.§impl CheckedDiv for FixedI64
impl CheckedDiv for FixedI64
§fn checked_div(&self, other: &FixedI64) -> Option<FixedI64>
fn checked_div(&self, other: &FixedI64) -> Option<FixedI64>
None
is returned.§impl CheckedMul for FixedI64
impl CheckedMul for FixedI64
§fn checked_mul(&self, other: &FixedI64) -> Option<FixedI64>
fn checked_mul(&self, other: &FixedI64) -> Option<FixedI64>
None
is returned.§impl CheckedSub for FixedI64
impl CheckedSub for FixedI64
§fn checked_sub(&self, rhs: &FixedI64) -> Option<FixedI64>
fn checked_sub(&self, rhs: &FixedI64) -> Option<FixedI64>
None
is returned.§impl Decode for FixedI64
impl Decode for FixedI64
§fn decode<__CodecInputEdqy>(
__codec_input_edqy: &mut __CodecInputEdqy,
) -> Result<FixedI64, Error>where
__CodecInputEdqy: Input,
fn decode<__CodecInputEdqy>(
__codec_input_edqy: &mut __CodecInputEdqy,
) -> Result<FixedI64, Error>where
__CodecInputEdqy: Input,
§fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
fn decode_into<I>(
input: &mut I,
dst: &mut MaybeUninit<Self>,
) -> Result<DecodeFinished, Error>where
I: Input,
§fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
fn skip<I>(input: &mut I) -> Result<(), Error>where
I: Input,
§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
§impl<'de> Deserialize<'de> for FixedI64
impl<'de> Deserialize<'de> for FixedI64
§fn deserialize<D>(
deserializer: D,
) -> Result<FixedI64, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
fn deserialize<D>(
deserializer: D,
) -> Result<FixedI64, <D as Deserializer<'de>>::Error>where
D: Deserializer<'de>,
§impl Encode for FixedI64
impl Encode for FixedI64
§fn encode_to<__CodecOutputEdqy>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy,
)where
__CodecOutputEdqy: Output + ?Sized,
fn encode_to<__CodecOutputEdqy>(
&self,
__codec_dest_edqy: &mut __CodecOutputEdqy,
)where
__CodecOutputEdqy: Output + ?Sized,
§fn using_encoded<__CodecOutputReturn, __CodecUsingEncodedCallback>(
&self,
f: __CodecUsingEncodedCallback,
) -> __CodecOutputReturn
fn using_encoded<__CodecOutputReturn, __CodecUsingEncodedCallback>( &self, f: __CodecUsingEncodedCallback, ) -> __CodecOutputReturn
§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
§impl FixedPointNumber for FixedI64
impl FixedPointNumber for FixedI64
§const DIV: <FixedI64 as FixedPointNumber>::Inner = {transmute(0x000000003b9aca00): <sp_runtime::FixedI64 as sp_runtime::FixedPointNumber>::Inner}
const DIV: <FixedI64 as FixedPointNumber>::Inner = {transmute(0x000000003b9aca00): <sp_runtime::FixedI64 as sp_runtime::FixedPointNumber>::Inner}
10
.§fn from_inner(inner: <FixedI64 as FixedPointNumber>::Inner) -> FixedI64
fn from_inner(inner: <FixedI64 as FixedPointNumber>::Inner) -> FixedI64
§fn into_inner(self) -> <FixedI64 as FixedPointNumber>::Inner
fn into_inner(self) -> <FixedI64 as FixedPointNumber>::Inner
self
and returns the inner raw value.§fn saturating_from_integer<N>(int: N) -> Selfwhere
N: FixedPointOperand,
fn saturating_from_integer<N>(int: N) -> Selfwhere
N: FixedPointOperand,
int
. Read more§fn checked_from_integer<N>(int: N) -> Option<Self>
fn checked_from_integer<N>(int: N) -> Option<Self>
§fn saturating_from_rational<N, D>(n: N, d: D) -> Selfwhere
N: FixedPointOperand,
D: FixedPointOperand,
fn saturating_from_rational<N, D>(n: N, d: D) -> Selfwhere
N: FixedPointOperand,
D: FixedPointOperand,
§fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self>where
N: FixedPointOperand,
D: FixedPointOperand,
fn checked_from_rational<N, D>(n: N, d: D) -> Option<Self>where
N: FixedPointOperand,
D: FixedPointOperand,
§fn checked_mul_int<N>(self, n: N) -> Option<N>where
N: FixedPointOperand,
fn checked_mul_int<N>(self, n: N) -> Option<N>where
N: FixedPointOperand,
§fn saturating_mul_int<N>(self, n: N) -> Nwhere
N: FixedPointOperand,
fn saturating_mul_int<N>(self, n: N) -> Nwhere
N: FixedPointOperand,
§fn checked_div_int<N>(self, d: N) -> Option<N>where
N: FixedPointOperand,
fn checked_div_int<N>(self, d: N) -> Option<N>where
N: FixedPointOperand,
§fn saturating_div_int<N>(self, d: N) -> Nwhere
N: FixedPointOperand,
fn saturating_div_int<N>(self, d: N) -> Nwhere
N: FixedPointOperand,
§fn saturating_mul_acc_int<N>(self, n: N) -> Nwhere
N: FixedPointOperand,
fn saturating_mul_acc_int<N>(self, n: N) -> Nwhere
N: FixedPointOperand,
N
, adding the result back.
Equal to self * n + n
. Read more§fn saturating_abs(self) -> Self
fn saturating_abs(self) -> Self
§fn reciprocal(self) -> Option<Self>
fn reciprocal(self) -> Option<Self>
1 / self
. Read more§fn is_positive(self) -> bool
fn is_positive(self) -> bool
true
if self
is positive and false
if the number is zero or negative.§fn is_negative(self) -> bool
fn is_negative(self) -> bool
true
if self
is negative and false
if the number is zero or positive.§impl<N, D> From<(N, D)> for FixedI64where
N: FixedPointOperand,
D: FixedPointOperand,
impl<N, D> From<(N, D)> for FixedI64where
N: FixedPointOperand,
D: FixedPointOperand,
§impl MaxEncodedLen for FixedI64
impl MaxEncodedLen for FixedI64
§fn max_encoded_len() -> usize
fn max_encoded_len() -> usize
§impl Ord for FixedI64
impl Ord for FixedI64
§impl PartialOrd for FixedI64
impl PartialOrd for FixedI64
§fn partial_cmp(&self, other: &FixedI64) -> Option<Ordering>
fn partial_cmp(&self, other: &FixedI64) -> Option<Ordering>
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read more§impl Saturating for FixedI64
impl Saturating for FixedI64
§fn saturating_add(self, rhs: FixedI64) -> FixedI64
fn saturating_add(self, rhs: FixedI64) -> FixedI64
self + rhs
, saturating at the numeric bounds instead of
overflowing.§fn saturating_sub(self, rhs: FixedI64) -> FixedI64
fn saturating_sub(self, rhs: FixedI64) -> FixedI64
self - rhs
, saturating at the numeric bounds instead of
overflowing.§fn saturating_mul(self, rhs: FixedI64) -> FixedI64
fn saturating_mul(self, rhs: FixedI64) -> FixedI64
self * rhs
, saturating at the numeric bounds instead of
overflowing.§fn saturating_pow(self, exp: usize) -> FixedI64
fn saturating_pow(self, exp: usize) -> FixedI64
self.pow(exp)
, saturating at the numeric bounds
instead of overflowing.§fn saturating_less_one(self) -> Selfwhere
Self: One,
fn saturating_less_one(self) -> Selfwhere
Self: One,
§fn saturating_plus_one(self) -> Selfwhere
Self: One,
fn saturating_plus_one(self) -> Selfwhere
Self: One,
§fn saturating_inc(&mut self)where
Self: One,
fn saturating_inc(&mut self)where
Self: One,
§fn saturating_dec(&mut self)where
Self: One,
fn saturating_dec(&mut self)where
Self: One,
§fn saturating_accrue(&mut self, amount: Self)where
Self: One,
fn saturating_accrue(&mut self, amount: Self)where
Self: One,
amount
, saturating.§fn saturating_reduce(&mut self, amount: Self)where
Self: One,
fn saturating_reduce(&mut self, amount: Self)where
Self: One,
amount
, saturating at zero.§impl Serialize for FixedI64
impl Serialize for FixedI64
§fn serialize<S>(
&self,
serializer: S,
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
fn serialize<S>(
&self,
serializer: S,
) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>where
S: Serializer,
impl Copy for FixedI64
impl EncodeLike for FixedI64
impl Eq for FixedI64
impl StructuralPartialEq for FixedI64
Auto Trait Implementations§
impl Freeze for FixedI64
impl RefUnwindSafe for FixedI64
impl Send for FixedI64
impl Sync for FixedI64
impl Unpin for FixedI64
impl UnwindSafe for FixedI64
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
§fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
§fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
clone_to_uninit
)§impl<Q, K> Comparable<K> for Q
impl<Q, K> Comparable<K> for Q
§impl<T> Conv for T
impl<T> Conv for T
§impl<T> DecodeAll for Twhere
T: Decode,
impl<T> DecodeAll for Twhere
T: Decode,
§fn decode_all(input: &mut &[u8]) -> Result<T, Error>
fn decode_all(input: &mut &[u8]) -> Result<T, Error>
Self
and consume all of the given input data. Read more§impl<T> DecodeLimit for Twhere
T: Decode,
impl<T> DecodeLimit for Twhere
T: Decode,
§impl<T> DefensiveMax<T> for Twhere
T: PartialOrd,
impl<T> DefensiveMax<T> for Twhere
T: PartialOrd,
§fn defensive_max(self, other: T) -> T
fn defensive_max(self, other: T) -> T
§fn defensive_strict_max(self, other: T) -> T
fn defensive_strict_max(self, other: T) -> T
§impl<T> DefensiveMin<T> for Twhere
T: PartialOrd,
impl<T> DefensiveMin<T> for Twhere
T: PartialOrd,
§fn defensive_min(self, other: T) -> T
fn defensive_min(self, other: T) -> T
§fn defensive_strict_min(self, other: T) -> T
fn defensive_strict_min(self, other: T) -> T
§impl<T> DefensiveSaturating for T
impl<T> DefensiveSaturating for T
§fn defensive_saturating_add(self, other: T) -> T
fn defensive_saturating_add(self, other: T) -> T
self
plus other
defensively.§fn defensive_saturating_sub(self, other: T) -> T
fn defensive_saturating_sub(self, other: T) -> T
self
minus other
defensively.§fn defensive_saturating_mul(self, other: T) -> T
fn defensive_saturating_mul(self, other: T) -> T
self
and other
defensively.§fn defensive_saturating_accrue(&mut self, other: T)
fn defensive_saturating_accrue(&mut self, other: T)
self
by other
defensively.§fn defensive_saturating_reduce(&mut self, other: T)
fn defensive_saturating_reduce(&mut self, other: T)
self
by other
defensively.§fn defensive_saturating_inc(&mut self)
fn defensive_saturating_inc(&mut self)
self
by one defensively.§fn defensive_saturating_dec(&mut self)
fn defensive_saturating_dec(&mut self)
self
by one defensively.§impl<T> EnsureAdd for Twhere
T: EnsureAddAssign,
impl<T> EnsureAdd for Twhere
T: EnsureAddAssign,
§fn ensure_add(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_add(self, v: Self) -> Result<Self, ArithmeticError>
§impl<T> EnsureAddAssign for T
impl<T> EnsureAddAssign for T
§fn ensure_add_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_add_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
§impl<T> EnsureDiv for Twhere
T: EnsureDivAssign,
impl<T> EnsureDiv for Twhere
T: EnsureDivAssign,
§fn ensure_div(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_div(self, v: Self) -> Result<Self, ArithmeticError>
§impl<T> EnsureDivAssign for T
impl<T> EnsureDivAssign for T
§fn ensure_div_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_div_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
§impl<T> EnsureFixedPointNumber for Twhere
T: FixedPointNumber,
impl<T> EnsureFixedPointNumber for Twhere
T: FixedPointNumber,
§fn ensure_from_rational<N, D>(n: N, d: D) -> Result<Self, ArithmeticError>where
N: FixedPointOperand,
D: FixedPointOperand,
fn ensure_from_rational<N, D>(n: N, d: D) -> Result<Self, ArithmeticError>where
N: FixedPointOperand,
D: FixedPointOperand,
§fn ensure_mul_int<N>(self, n: N) -> Result<N, ArithmeticError>where
N: FixedPointOperand,
fn ensure_mul_int<N>(self, n: N) -> Result<N, ArithmeticError>where
N: FixedPointOperand,
§fn ensure_div_int<D>(self, d: D) -> Result<D, ArithmeticError>where
D: FixedPointOperand,
fn ensure_div_int<D>(self, d: D) -> Result<D, ArithmeticError>where
D: FixedPointOperand,
§impl<T, S> EnsureFrom<S> for T
impl<T, S> EnsureFrom<S> for T
§fn ensure_from(other: T) -> Result<Self, ArithmeticError>
fn ensure_from(other: T) -> Result<Self, ArithmeticError>
ArithmeticError
if fails. Read more§impl<T, S> EnsureInto<S> for T
impl<T, S> EnsureInto<S> for T
§fn ensure_into(self) -> Result<T, ArithmeticError>
fn ensure_into(self) -> Result<T, ArithmeticError>
ArithmeticError
if fails. Read more§impl<T> EnsureMul for Twhere
T: EnsureMulAssign,
impl<T> EnsureMul for Twhere
T: EnsureMulAssign,
§fn ensure_mul(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_mul(self, v: Self) -> Result<Self, ArithmeticError>
§impl<T> EnsureMulAssign for T
impl<T> EnsureMulAssign for T
§fn ensure_mul_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_mul_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
§impl<T> EnsureSub for Twhere
T: EnsureSubAssign,
impl<T> EnsureSub for Twhere
T: EnsureSubAssign,
§fn ensure_sub(self, v: Self) -> Result<Self, ArithmeticError>
fn ensure_sub(self, v: Self) -> Result<Self, ArithmeticError>
§impl<T> EnsureSubAssign for T
impl<T> EnsureSubAssign for T
§fn ensure_sub_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
fn ensure_sub_assign(&mut self, v: Self) -> Result<(), ArithmeticError>
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
key
and return true
if they are equal.source§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
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and return true
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impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
§impl<T> FmtForward for T
impl<T> FmtForward for T
§fn fmt_binary(self) -> FmtBinary<Self>where
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Self: Binary,
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-formatted.§fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
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Self: Display,
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-formatted.§fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
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-formatted.§fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
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-formatted.§fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
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